The name cannot be resolved, the connection to Microsoft Exchange is unavailable (Outlook 2010 client)
Solved] How to Fix Outlook Send and Receive Progress Task Reported Error (0x8004011D) "The server is not available" - PUPUWEB
How to fix Outlook to The connection to Microsoft exchange is unavailable. Outlook must be online or connected to complete this action- Internal connect
![Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Docs Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Docs](https://docs.microsoft.com/en-us/exchange/troubleshoot/exchangeserver/client-connectivity/media/outlook-connection-issue-caused-by-rpc-encryption-requirement/exchange-encryption.png)